module pind.samples.ja.pragma_.pragma_3;

import std.stdio;
import std.datetime.stopwatch;

// ボディが短い関数:
ubyte compute(ubyte i) {
    return cast(ubyte)(i * 42);
}

void main() {
    size_t counter = 0;

    StopWatch sw;
    sw.start();

    // 何度も繰り返す短いループ:
    foreach (i; 0 .. 100_000_000) {
        const number = cast(ubyte)i;

        if (compute(number) == number) {
            ++counter;
        }
    }

    sw.stop();

    writefln("%s milliseconds", sw.peek.total!"msecs");
}